WNT9B (17q21.32), S phase entry blocker growth arrest specific 1 (GAS1) and serine/threonine protein kinase D1 (PRKD1) were expressed at low levels in PTSMT while the other analyzed tumor types showed higher levels, in particular, leiomyosarcomas. The gene discussed is WNT9B; the disease is leiomyosarcoma.